Question

One can hear the sound of a far approaching train by putting his ear on the rails?but he cannot hear the sound in air unless the train reached close to him.why?

Answer 1

Answer:

Sound travels faster and clear in solids than liquids than gases that's why when you put your ear on railway track you can hear very well than in air

Answer 2

Answer:

Sound travels faster and clear in solids than liquids than gases that's why when you put your ear on railway track you can hear very well than in air

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